Competitive Written Exam Questions for Mechanical Engineering Students:
Answer:
Boiler Mountings:
These are the fittings, which are mounted or installed on the boiler for its safe and proper functioning. There are many boiler mountings which are mounted on the boiler. A list of boiler mountings are given below:
Boiler Accessories:
These are the devices which are used as integral parts of a boiler and help in running efficiently. A list of boiler accessories are given below:
𒐀 Feed Pump
𒐀 Super Heater
𒐀 Economizer
𒐀 Air Preheater
𒐀 Injector
- Define fouling factor? How it is done in design?
- Draw temperature profile for parallel & counter flow heat exchanger.
- Write Bernoulli’s equations for real fluid. Is if it valid for non Newtonian fluid. Give examples for non Newtonian fluid.
- Define one ton of refrigeration.
- Define Coefficient of Performance (COP).
- Calculate load factor & capacity factor for the following data, Plant capacity 100 MW, peak load 950 MW, plant average production 97600 MW-hr/month.
- Draw P-V & T-S diagram of Carnot Cycle and Stirling cycle.
- A engine has bore 80 mm, stroke 100 mm, Calculate the clearance volume & air standard efficiency of the engine.
- Draw schematic diagram of closed gas turbine with inter-cooling & reheating. Also draw T-S diagram.
- What is priming? How it is done?
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